2641515121403 has 16 divisors (see below), whose sum is σ = 2774558689056. Its totient is φ = 2512358434560.

The previous prime is 2641515121387. The next prime is 2641515121411. The reversal of 2641515121403 is 3041215151462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2641515121403 - 2⁴ = 2641515121387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641515121433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3530201 + ... + 4212522.

It is an arithmetic number, because the mean of its divisors is an integer number (173409918066).

Almost surely, 2^{2641515121403} is an apocalyptic number.

2641515121403 is a deficient number, since it is larger than the sum of its proper divisors (133043567653).

2641515121403 is a wasteful number, since it uses less digits than its factorization.

2641515121403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742974.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 2641515121403 in words is "two trillion, six hundred forty-one billion, five hundred fifteen million, one hundred twenty-one thousand, four hundred three".